package com.yjh.gateway.handler;

import constant.CommonConstants;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Component;

//import org.springframework.web.reactive.function.BodyInserters;
//import org.springframework.web.reactive.function.server.HandlerFunction;
//import org.springframework.web.reactive.function.server.ServerRequest;
//import org.springframework.web.reactive.function.server.ServerResponse;
//import reactor.core.publisher.Mono;
import util.R;

import java.util.Optional;

import static org.springframework.cloud.gateway.support.ServerWebExchangeUtils.GATEWAY_ORIGINAL_REQUEST_URL_ATTR;

/**
 * Hystrix 降级处理
 */
//@Slf4j
//@Component
//public class HystrixFallbackHandler implements HandlerFunction<ServerResponse> {
//    @Override
//    public Mono<ServerResponse> handle(ServerRequest serverRequest) {
//        Optional<Object> originalUris = serverRequest.attribute(GATEWAY_ORIGINAL_REQUEST_URL_ATTR);
//
//        originalUris.ifPresent(originalUri -> log.error("网关执行请求:{}失败,hystrix服务降级处理", originalUri));
//
//        return ServerResponse.status(HttpStatus.INTERNAL_SERVER_ERROR.value())
//                .contentType(MediaType.APPLICATION_JSON_UTF8)
//                .body(BodyInserters.fromObject(R.builder()
//                        .msg("服务异常")
//                        .code(CommonConstants.FAIL)
//                        .build()));
//    }
//}
